package com.sky.service.impl;

import com.sky.entity.Orders;
import com.sky.mapper.OrderMapper;
import com.sky.service.OrderService;
import com.sky.service.ReportService;
import com.sky.vo.TurnoverReportVO;
import com.sky.webSocket.WebSocketServer;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

@Service
public class ReportServiceImpl implements ReportService {
    @Autowired
    private OrderMapper orderMapper;

    @Override
    public TurnoverReportVO getTurnoverStatistics(LocalDate begin, LocalDate end) {
        List<LocalDate> dateList = new ArrayList<>();

        dateList.add(begin);
        while (!begin.equals(end)) {
            // 日期加1
            begin = begin.plusDays(1);
            dateList.add(begin);
        }

        ArrayList<Double> doubles = new ArrayList<>();
        for (LocalDate date : dateList) {
            // 查询各个日期的营业额
            // 构造开始时间,当天的00:00:00，小于当天结束时间23:59:59
            LocalDateTime beginTime = LocalDateTime.of(date, LocalTime.MIN);
            LocalDateTime endTime = LocalDateTime.of(date, LocalTime.MAX);
            HashMap map = new HashMap<>();
            map.put("begin", beginTime);
            map.put("end", endTime);
            map.put("status", Orders.COMPLETED);
            Double turnover = orderMapper.sumByMap(map);
            doubles.add(turnover == null ? 0.0 : turnover);

        }
        return TurnoverReportVO.builder().dateList(StringUtils.join(dateList, ","))
                .turnoverList(StringUtils.join(doubles, ","))
                .build();
    }
}
